Home / 113,009.40-169,446.43-38,127.88

Finding the Fourth Proportional to 113,009.40, 169,446.43 and 38,127.88

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Solution

The fourth proportional to 113,009.40, 169,446.43 and 38,127.88 is: 57,168.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,009.40 : 169,446.43 = 38,127.88 : x
  2. Step 2: Convert to fraction form
    113,009.40/169,446.43 = 38,127.88/x
  3. Step 3: Cross multiply
    113,009.40x = 169,446.43 × 38,127.88
  4. Step 4: Simplify right side
    113,009.40x = 6,460,633,149.47
  5. Step 5: Solve for x
    x = 6,460,633,149.47/113,009.40
  6. Step 6: Final answer
    x = 57,168.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.